104 lines
3.2 KiB
Lua
104 lines
3.2 KiB
Lua
local disallowed = {
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["^guest"] = "Temporary 'GuestXXXX' usernames are disallowed on this server. "..
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"Please choose a proper username and try again.",
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["^player"] = "Temporary 'PlayerXXXX' usernames are disallowed on this server. "..
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"Please choose a proper username and try again.",
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["^squeakecraft"] = "Temporary 'Squeakecraft' usernames are disallowed on this server. "..
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"Please choose a proper username and try again.",
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["[4a]dm[1il]n"] = "That is a clearly false, misleading, or otherwise disallowed username. "..
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"Please choose a unique username and try again.",
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["^[0-9]+$"] = "All-numeric usernames are disallowed on this server. "..
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"Please choose a proper username and try again.",
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["[0-9].-[0-9].-[0-9]"] = "Too many numbers in your username. "..
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"Please try again with less than three digits in your username."
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}
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-- Original implementation (in Python) by sfan5
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local function judge(msg)
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local numspeakable = 0
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local numnotspeakable = 0
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local cn = 0
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local lastc = '____'
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for c in msg:gmatch(".") do
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c = c:lower()
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if c:find("[aeiou0-9_-]") then
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if cn > 2 and not c:find("[0-9]") then
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numnotspeakable = numnotspeakable + 1
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elseif not c:find("[0-9]") then
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numspeakable = numspeakable + 1
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end
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cn = 0
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else
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if (cn == 1) and (lastc == c) and (lastc ~= 's') then
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numnotspeakable = numnotspeakable + 1
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cn = 0
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end
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if cn > 2 then
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numnotspeakable = numnotspeakable + 1
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cn = 0
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end
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if lastc:find("[aeiou]") then
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numspeakable = numspeakable + 1
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cn = 0
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end
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if not ((lastc:find("[aipfom]") and c == "r") or (lastc == "c" and c == "h")) then
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cn = cn + 1
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end
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end
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lastc = c
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end
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if cn > 0 then
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numnotspeakable = numnotspeakable + 1
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end
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return (numspeakable >= numnotspeakable)
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end
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minetest.register_on_prejoinplayer(function(name, ip)
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local lname = name:lower()
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for re, reason in pairs(disallowed) do
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if lname:find(re) and not minetest.auth_table[name] then
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return reason
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end
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end
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if #name < 2 then
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return "Too short of a username. "..
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"Please pick a name with at least two letters and try again."
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end
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if not judge(name) and #name > 5 then
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return "Your username just plain looks like gibberish. "..
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"Please pick something readable and try again."
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end
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end)
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minetest.register_on_prejoinplayer(function(name, ip)
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local lname = name:lower()
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for iname, data in pairs(minetest.auth_table) do
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if iname:lower() == lname and iname ~= name then
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return "Sorry, someone else is already using this "
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.."name, or maybe you mistyped it? Please "
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.."check your typing or pick another name."
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end
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end
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end)
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minetest.register_chatcommand("choosecase", {
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description = "Choose the casing that a player name should have",
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params = "<name>",
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privs = {server=true},
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func = function(name, params)
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local lname = params:lower()
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local worldpath = minetest.get_worldpath()
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for iname, data in pairs(minetest.auth_table) do
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if iname:lower() == lname and iname ~= params then
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minetest.auth_table[iname] = nil
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assert(not iname:find("/"))
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os.remove(worldpath.."/players/"..iname)
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end
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end
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minetest.chat_send_player(name, "Done.")
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end,
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})
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